• New studies agree on likely pandemic origin
• Wuhan shuts down district of 1 million people over 4 asymptomatic Covid cases
원문출처 : https://www.cnn.com/2022/07/27/world/coronavirus-newsletter-intl-07-27-22/index.html
원문출처 : https://www.cnn.com/2022/07/27/world/coronavirus-newsletter-intl-07-27-22/index.html